<template>
  <section>
    <!--工具条：高级查询 + 新增-->
    <el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
      <el-form :inline="true">
        <el-form-item>
          <el-input v-model="keyword" placeholder="请输入一个关键字"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" v-on:click="keywordquery">查询</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="handleAdd">新增</el-button>
        </el-form-item>
      </el-form>
    </el-col>
<!----------------------------------------------------------------------------------------------------------->
    <el-table :data="employees" highlight-current-row v-loading="listLoading" @selection-change="selsChange"
              style="width: 100%;" align="center">
      <el-table-column type="selection" width="55">
      </el-table-column>
      <el-table-column type="index" width="50">
      </el-table-column>
      <el-table-column prop="id" label="编号" width="80" sortable align="center">
      </el-table-column>
      <el-table-column prop="username" label="姓名" width="80" sortable align="center">
      </el-table-column>
      <el-table-column prop="phone" label="电话" width="110" sortable align="center">
      </el-table-column>
      <el-table-column prop="email" label="邮箱" width="100" sortable align="center">
      </el-table-column>
      <el-table-column prop="password" label="密码" width="100" sortable>
      </el-table-column>
      <el-table-column prop="age" label="年龄" width="80" sortable>
      </el-table-column>
      <el-table-column prop="state" label="状态" min-width="100" sortable>
        <template slot-scope="scope">
          <span style="color: green" v-if="scope.row.state==1">正常</span>
          <span style="color: red" v-else-if="scope.row.state==0">停用</span>
          <span style="color: darkslategray" v-else>未知</span>
        </template>
      </el-table-column>
      <el-table-column prop="department.name" label="所在部门" min-width="100" sortable>
      </el-table-column>
      <el-table-column prop="shop.name" label="店铺" min-width="150" sortable>
      </el-table-column>

      <el-table-column prop="role.name" label="角色" min-width="100" sortable>
      </el-table-column>
      <el-table-column label="操作" width="150" align="center">
        <template scope="scope">
          <el-button size="small" @click="handlesave(scope.$index, scope.row)">编辑</el-button>
          <el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
<!----------------------------------------------------------------------------------------------------------->
    <!--工具条：批量删除 + 分页栏-->
    <el-col :span="24" class="toolbar">
      <el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
      <el-pagination layout="prev, pager, next" @current-change="handleCurrentChange"
                     :page-size="pageSize" :current-page="currentPage" :total="totals" style="float:right;">
      </el-pagination>
    </el-col>

    <!--编辑对话框-->
    <el-dialog :title="title" :visible.sync="saveFormVisible" :close-on-click-modal="false">
      <el-form :model="saveForm" label-width="80px" :rules="saveFormRules" ref="saveForm">
        <el-form-item label="姓名" prop="username">
          <el-input v-model="saveForm.username" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="电话">
          <el-input v-model="saveForm.phone" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="邮箱">
          <el-input v-model="saveForm.email" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="密码">
          <el-input v-model="saveForm.password" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="年龄">
          <el-input v-model="saveForm.age" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="状态">
          <el-radio-group v-model="saveForm.state">
            <el-radio class="radio" :label="1">启用</el-radio>
            <el-radio class="radio" :label="0">禁用</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="部门">
         <!-- <el-input v-model="saveForm.department_id" auto-complete="off"></el-input>-->
          <el-select v-model="saveForm.department_id" value-key="id" placeholder="请选择" clearable>
            <el-option v-for="item in depts"
                       :label="item.name"
                       :value="item.id">
              <span style="float: left">{{ item.name }}</span>
              <span style="float: right; color: #8492a6; font-size: 13px">{{ item.sn }}
            </span>
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="角色" prop="role_id">
          <el-select v-model="saveForm.role_id" clearable placeholder="请选择">
            <el-option
                v-for="item in roles"
                :label="item.name"
                :value="item.id">
              <span style="float: left">{{ item.name }}</span>
              <span style="float: right; color: #8492a6; font-size: 13px">{{ item.sn }}</span>
            </el-option>
          </el-select>
        </el-form-item>

      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click.native="saveFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="saveSubmit" :loading="saveLoading">提交</el-button>
      </div>
    </el-dialog>
  </section>
</template>

<script>
export default {
  data() {
    return {
      //1.分页查询的模型数据
      employees: [],
      listLoading: false,
      currentPage: 1,
      totals: 1,
      pageSize: 5,
      // 高级查询
      keyword: null,
      page: 1,
      // 批量删除
      sels: [],//列表选中列
      depts: [],
      //编辑界面是否显示
      saveFormVisible: false,
      saveLoading: false,
      title: '',
      saveFormRules: {
        username: [
          {required: true, message: '姓名不能为空！', trigger: 'blur'}
        ]
      },
      //编辑界面数据
      saveForm: {
        id: null,
        username:'',
        phone: '',
        email: '',
        password: '',
        age:null,
        department_id:null,
        state: 1,
        role_id:null,
      },
      roles:[],
    }
  },
  methods: {
    // 分页查询，获取数据
    getEmployees() {
      // 组装参数
      let paras = {
        currentPage: this.currentPage,
        pageSize: this.pageSize,
        keyword: this.keyword
      };
      // 显示加载框
      this.listLoading = true;
      //使用axios发送分页请求
      this.$http.post("/employee", paras).then(res => {
        // 传入参数
        this.employees = res.data.data;
        this.totals = res.data.totals;
        this.listLoading = false;
      }).catch(res => {
        this.$message.error("访问人数太多，请稍后重试!!!");
      })
    },
    // 分页查询 - 点击分页栏触发方法
    handleCurrentChange(val) {
      this.currentPage = val;
      this.getEmployees();
    },
/*--------------------------------------------------------------------------------------------------------*/
    // 高级查询
    keywordquery() {
      // 设置当前页未1
      this.currentPage = 1;
      this.getEmployees();
    },
/*------------------------------------------------------------------------------------------------------------*/
    // 单个删除
    handleDel: function (index, row) {
      this.$confirm('确认删除该记录吗?', '提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true;
        this.$http.delete("/employee/" + row.id).then(res => {
          if (res.data.success) {
            // 计算总页数
            let totalPage = Math.ceil(this.totals / this.pageSize)
            if (this.currentPage == totalPage && (this.totals - 1) % this.pageSize == 0 && this.currentPage != 1) {
              this.currentPage = this.currentPage - 1;
            }
            this.getEmployees()
          } else {
            this.$message.error("！！！系统繁忙");// 发生500错误时
          }
          this.listLoading = false;
        })
      }).catch(() => {
        //this.$message.error("系统繁忙!!!!!!!!!!!!!!!!");// 发生404错误时
      });
    },
/*--------------------------------------------------------------------------------------------------------------*/
    //显示编辑界面
    handlesave: function (index, row) {
      this.title = "修改"
      this.saveFormVisible = true;
      this.getRoles();
      this.getDepts();
      this.saveForm = Object.assign({}, row);
    },
/*-----------------------------------------------------------------------------------------------------------*/
    //显示新增界面
    handleAdd: function () {
      this.title = "新增"
      this.saveFormVisible = true;
      this.saveForm = {
        id: null,
        username:'',
        phone: '',
        email: '',
        password: '',
        age:null,
        department_id:null,
        state: 1,
        role_id:null,
      };
      this.getDepts();
      this.saveFormVisible = true;
      this.getRoles();
    },
/*--------------------------------------------------------------------------------------------------------------------*/
    //编辑方法
    saveSubmit: function () {
      this.$refs.saveForm.validate((valid) => {
        if (valid) {
          this.$confirm('确认提交吗？', '提示', {}).then(() => {
            this.saveLoading = true;
            let paras = Object.assign({}, this.saveForm);
            this.$http.put("/employee", paras).then(res => {
              if (res.data.success) {
                this.getEmployees()
                this.saveLoading = false;
              } else {
                this.$message.error("系统繁忙500");// 发生500错误时
                this.saveLoading = false;
              }
            }).catch(res => {
              this.$message.error("系统繁忙400");// 发生500错误时
            })
            // 关闭模态框
            this.saveFormVisible = false;
          });
        }
      });
    },
/*--------------------------------------------------------------------------------------------------------------------*/
    // 获取部门
    getDepts(){
      this.$http.get("/department").then(res => {
        this.depts = res.data;
      })
    },
    getRoles(){
      this.$http.get("/role").then(res=>{
        this.roles = res.data;
      })
    },

    /*--------------------------------------------------------------------------------------------------------------*/
    // 批量删除，当有选项时才会触发
    selsChange: function (sels) {
      this.sels = sels;
    },
    // 批量删除
    batchRemove: function () {
      var ids = this.sels.map(item => item.id);
      this.$confirm('确认删除选中记录吗？', '提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true;
        this.$http.patch("/employee", ids).then(res => {
          this.listLoading = false;
          if (res.data.success) {// 若删除成功
            this.currentPage = 1;// 设置当前页为第一页
            this.getEmployees();// 查询
          } else {
            this.$message.error("批量删除失败【500】");
          }
        }).catch(res => {
          this.$message.error("系统错误【400,404】");
        })
      }).catch(() => {
      });
    }
  },
/*-------------------------------------------------------------------------------------------------------------*/
    //获取所有的员工
      mounted() {
        this.getEmployees();
      }
    }
</script>

<style scoped>

</style>